fix(ci): lint checker

[ronething]

Signed-off-by: ashing axingfly@gmail.com

Type of change:

• Bugfix
• New feature provided
• Improve performance
• Backport patches
• Documentation
• Refactor
• Chore
• CI/CD or Tests

What this PR does / why we need it:

Pre-submission checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[Copilot]

Pull Request Overview

This PR refactors the CI/CD lint checker configuration and cleans up documentation links and content. Key changes include:

• Adding and updating markdown, YAML, and license configuration files.
• Updating link replacement paths and reference URLs in documentation and code comments.
• Modifying workflow configuration to reference the appropriate directories for linting.

Reviewed Changes

Copilot reviewed 12 out of 13 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
powered-by.md	Added new page listing institutions using APISIX Ingress.
link-check-config.json	Updated link replacement path to reference docs correctly.
docs/crd/api.md config/crd/bases/apisix.apache.org_backendtrafficpolicies.yaml api/v1alpha1/backendtrafficpolicy_types.go	Updated reference link text and URL to APISIX variable.
README.md	Minor edits for formatting and clarifications.
.yamllint.yml .markdownlint.yml .licenserc.yaml	New configuration files for linting and license checks.
.github/workflows/yamllint-checker.yml .github/workflows/lint-checker.yml	Updated workflow paths and ignore lists for linting.
.asf.yaml	Added ASF configuration with protected branch information.